GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Keyless Entry System Check been performed?

--

Go to Step 2

Go to Remote Keyless Entry System Check

2

  1. Disconnect the connector at the rear door lock actuator motor.
  2. Connect an unpowered test lamp between rear door lock actuator motor connector cavity A for CKT 294 (TAN) and ground.
  3. Unlock all doors at any power door lock switch.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Connect an unpowered test lamp between rear door lock actuator motor connector cavity B for CKT 295 (GRY) and ground.
  2. Lock all doors at any power door lock switch.

Did the test lamp light?

--

Go to Step 5

Go to Step 6

4

  1. Disconnect the remote control door lock receiver.
  2. Connect a digital multimeter (DMM) between the rear door lock actuator motor connector cavity A for CKT 294 (TAN) and a known good ground.
  3. Test for continunity.

Is continunity present?

--

Go to Step 7

Go to Step 8

5

Replace the rear door lock actuator motor.

Does the lock operate properly?

--

Go to Remote Keyless Entry System Check

Go to Step 4

6

Repair the open in CKT 295 (GRY) between S244 and the rear door lock actuator motor.

Does the lock operate properly?

--

Go to Remote Keyless Entry System Check

Go to Step 4

7

Repair the short to ground in CKT 1576 (BLK)/CKT 294 (TAN) between the remote control door lock receiver and the rear door lock actuator motor.

Does the lock operate properly?

--

Go to Remote Keyless Entry System Check

Go to Step 2

8

  1. Connect a fused jumper wire from B+ to the remote control door lock receiver connector cavity G for CKT 1576 (BLK).
  2. Connect an unpowered test lamp between rear door lock actuator motor connector cavity A for CKT 294 (TAN) to ground.

Did the test lamp light?

--

Go to Step 9

Go to Step 10

9

Replace the remote control door lock receiver.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

10

Repair the open in CKT 1576 (BLK)/CKT 294 (TAN) between the remote control door lock receiver and the rear door lock actuator motor.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

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